<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Bootstrap 实例 - 清除浮动</title>
	<link rel="stylesheet" href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">  
	<script src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<!--class="clearfix" 能够清除浮动-->
<div class="clearfix"  style="background: #D8D8D8;border: 1px solid #000;padding: 10px;">
    <div class="pull-left" style="background:#58D3F7;">
      	向左快速浮动
   	</div>
   	<div class="pull-right" style="background: #DA81F5;">
      	向右快速浮动
   	</div>
</div>
<!-- class="container" 默认宽度 width: 1170px;-->
<div class="container"  style="background: #D8D8D8;border: 1px solid #000;padding: 10px;">
    <div class="pull-left" style="background:#58D3F7;">
      	向左快速浮动
   	</div>
   	<div class="pull-right" style="background: #DA81F5;">
      	向右快速浮动
   	</div>
</div>
</body>
</html>